Supply-carrier for braiding-machines.



s. W. WARD-WELL. L SUPPLY CARRIER FOR BRAIDING MACHINES.

' AFPLIOATION r'ILBv DEC. 29, 1910.

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S. W. WARDWELL. SUPPLY CARRIER FOR BRAIDING MACHINES. APPLICATION FILED DEC. 29, 1910.

1,072,800. I Patented fiept. 9,1913

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SIMON W. WARDWE'LL, OF PROVIDENCE, RHODE ISLAND.

SUPPLY-CARRIER FOR BRAIDJENG-MACHINBS,

Specification ofLetters Patent,

Application filed December 29, 1910. Serial No. 599,843.

To all whom it may concern:

Be it known that. I, SIMON VV. WARD- wnLL, a citizen of the United States, re,- siding at Providence, in the county. of Providence and State of Rhod Island, have invented certain new and useful Improvemerits in Supply-Carriers for Braiding-Masupplies are carriedin two tiers rotating chines, of which the following is a specification.

which support the supply cops or bobbins of yarn or other material.

I My new device is particularly adapted for use on braiding machines such as that shown and described in. my Patent No. 1,032,870, July 16, 1912, in whichthe yarn about a common axis in op osite directions, and I have preferred to ilustrate the invention as applied to a, supply-carrier of the lower tier.

My invention consists of improvements in the structure of the supply-holder and its supporting. bracket and inthe arrangement of certain other novel details ofconstruction a'shereinafter pointed out.

The object of my improvement is to provide a means for holding the spindle on which the supply-holder rotates in such manner that it can be easily attached to or detached from the bracket in assembling the mechanism or disassembling it for adjustment and repairs.

A further object'is to, combine the hold,- ing means for the spindle with certain elements of the tension-device used in connec-- tion with the supply-holder, thereby greatly simplifying the mechanism and" reducing the number of parts.

The invention is fully described in the following specification, illustrated by the accompanying drawings, in which I Figure 1 is an elevation of the device showing the supply-holder mounted on its bracket which is adapted to be attached to the rotating turret of the braiding machine; Fig. 2, a view of'the bottom of the bracket showing the means for fastening the supply-holder spindle in place and illustrating the manner in which said means coiiperates with the tension devices; Fig. 3, a sectional view taken through the bracket on the line. AA', looking in the direction indicated by the arrow a. I

Referring to Fig. 1 the invention com- My invention relates to braiding machinesand particularly to the supply carrlers vwhich are formed notches or teeth prises the essential elements of a'bracket B and cop-holder C, the latter rotatively mounted on the bracket The bracket B is formed with a foot 1) adapted to be attached to the machine frame or turret and extends in the overhanging =web portion bf, strengthened by a rib b and having one of its sides formed with the curved edge 6 see Fig. 2. Located. at approximately the center of'the PatentedSept. 9-, 1913. a

overhanging portion of the bracket is a hub or boss 6 formed by enlarging the rib b at this point, see Fig. 3'. The boss J) is bored to receive a spindle D which is secured in position as hereinafter more particularly described, and extends upward fromthe bracket to serve as a bearing for the rotata-' ble cop-holder C; The cop-holder C is held on the spindle D between the huh I) and a wire ring or washer d sprung into a groove at the top of the spindle.

Referring to Fig. 1, the cop-holder C consists of a'stemc formed at the bottom with"- blades or spurs 0' adapted to engage the interior of the cop-tube an, illustrated by dash lines, to secure the cop X rotatively on the holder. Extending upward from the stem 0 is a spring latch having an abutment (23 at its end adapted to extend over the endof the cop-tube to hold the cop from longitudinal displacement, The base of the copholder C consists of a wheel or disk F having a down-turned rim f on the interior of see Fig. 2. Mounted on the under side bf'the bracket B- is a pawl or detent G, having its end formed with a toe 9 adapted to engage the teeth on the rim of the base F. The opposite end of the pawl is pivotedin a hole in the bracket B and its main portion extends through a slot 6' in the lug b to retain it in place. A coiled spring it, held in a pocket I)" in the lug 6, bears on the side of the pawl to maintain its toe g normally in engagement with the teeth f. The \pawl G is controlle'din position in relation to the teeth, to permit or prevent the rotationof the cop-holder, by the varying tension on the yarn which acts through instrumentalities now described:

Extending upward from the oute'r'endof the bracketB' is a standard I) provided with bearings for a rock-shaft K which i's-formed at its upper end with a tension arm kextending at right-angles thereto and provided with a pigtail or thread-guide k at its outer end. 4 The. shaft K is shown as con,-

structed of wire and at its lower endis bent to form the horizontally disposed lever k one arm is of which is ada ted to engage the pawl G to release the att'er from engagement with the teeth on the base of the supp1y-holder. The opposite arm 7: of the lever 7c is arranged to engage the end of a sliding rod J which cooperates with the stopping deyices of the machine, but this 10 mechanism not being essential to the Dresent invention will not be further described. The rock-shaft K is controlled by a spring M connected to the arm le to normally hold the latter against the stop pin a driven into the bracket B. The other end of the spring M is fastened to a lever L pivoted on the "pin Z which is riveted through the bracket iB, as shown in Fig- 3. The lever L is preferably formed of sheet metal and its outer end is bent back in a loop Z. adapted to overlap the curved edge I) of the bracket B. Formed adjacentthe edge 11 is a series of notches or teeth 12 disposed radially in relation to the axis of the lever L. The upper portion of the loop Z is formed with an edge Z adapted to normally engage with one of the teeth b It will be seen that by moving the lever L along thequadrant formed by the toothed edge 6 the operative- 0 length of the spring M can be varied to adustits tension andregulate its effect upon the lever 70 It will also be understood that the engagement of the end of the lever with a one of the teeth b" will retain the lever in its adjusted position against the action of the pring M. The inherent'spring tendency of iihe lever L normally maintains its end in engagement with the teeth or notches on the edge of the bracket and to release it it is 40 only necessary to bend it up to raise its edge Z above the top of the teeth.

, As illustrated in Fig. 2 the lever L is shaped with'an enlarged portion Z near its pivot pin, and'located at this point is an arcuate slot Z formed concentric with the axis of the lever. The lower end of the spin- I dle D is provided with a peripheral groove (1 which engages the slot Z tooretain the spindle in position in the hub I), see Figs.

30 2 and 3. The slot Z is of suiiicient length to falllow the lever L to be moved the whole u length of the quadrant on the edge I) of the bracket B without disengaging it from the spintlle, When, however, the lever L is .5 moved in the direction indicated by the aru'ow 2 beyond the last tooth in the quadrant bracket the spindle D is first pushed down.

" 5 the arrowas until itsslotted portion lies beyond the hole in the hub b and the spindle D can then be pushed clear through the hub to bring its groove J in line with the edge of the lever. Then the lever L is released the spring M will carry it back toengage its slot Z with the groove (6 in the spindle D and this engagement holds the spindle in its bearing in the hub 7f and prevents longi tudinal movement in either direction. As before stated the slot Z is of sufficient dimension to allow the lever L to be moved the whole length of the toothed quadrant on the edge of the bracket 13 and therefore the-lever can be set at different points to adjust the tension of the spring lVl. The spring M acts to regulate the movement of the rock-shaft K which is operated by the tension of the yarn drawing through the thread-guide is at theend of the arm is. Where a heavy yarn is being delivered from the supply-holder to the braiding devices of the machine a relatively strong tension is required on the spring M, but for light yarns the tension is reduced to prevmt straining or breaking the material. The tension of draft on the yarn 7 as it is taken up by the braiding operation swings the arm him the direction indicated by the arrow 1. and this movement is communicated through the rock-shaft K to carry the arm of the lever 70 against the pawl G. ,A continued pull on the yarn y will act to release the pawl from the teeth of the ratchet on the base of the cop-holder and the latter is allowed to rotate to deliver the yarn in lengths as required. When the draft on the yarn is relieved the arm It will swing back under the influence of the spring M and the pawl G will again engage the teeth f to prevent-turther rotation of the cop-holder. In this way a too free delivery or overrunning of the supply-cop is prevented and a proper tension maintained on the yarn as required for the particular style and quality of fabric being braided.

When it is necessary to remove the copholder from the bracket to adjust or repair the parts, or for any other purpose, the spindle D can be released from its fastening in the hub 7) by simply throwing the lever L .out of engagement with the groove J at its lower end. It will be seen that my invention provides a simple, I inexpensive and efficient means for securing the spindle D in place in the bracket B and, in addition, the fastening device is arranged to serve a. double purpose, acting as it doesto elfoct the adjustment of the. tension of the spring M whiclrcontrols the arm 70. In this way I greatly simplify the structure and arrange ment of the whole supply-carrier and lesson the number of its parts, while providing for cheaper cost of mamrtactlue and greater elliciency and durability of the mechanism.

It will be obvious that various modificaigo'zapoo tions might be made in form and arrangement of the-parts without departing from the spirit and scope of the invention, 7

Therefore without limiting myself to the exact construction shown,- what I claim is 1. In a supply-carrier for braiding machines, the combination with a bracket, of a spindle mo ted in the bracket, said spindle formed wlth a peripheral groove, and means pivoted on the bracket to swing in a plane at-right-angles to the axis of the Spindle and to cross said axis toengage said gioove' to detachably secure the spindle in p ace.

*2. In a supply-carrier for braiding machines, the combination with a bracket, of a spindleextending through the bracket,

i and means pivoted on the bracket to swing in a plane at right-angles to the axis of the spindle and to cross said axis to engage the spindle to secure it in position.

' 3. In a supply-carrier for braiding ma v chines, the combination with a bracket, of

I chines, 'formedwith a hub, of a spindle extending at spindle mounted in said bracket, means pivoted on the bracket to swing in a plane 'at right-angles to the axis of the spindle to engage the latter on opposite sides to secure it in position, and a spring to normally hold said means in engagement with the spindle.

4, In a supply-carrier for braiding ma: chines, the combination with a bracket, of a spindle extending through said bracket,

a lever pivoted on the bracket to swing in .a plane at right-angles'to the axis of the spindle and formed with a slot'to engage. W the spindle on opposite sides; and means to normally hold said lever in engagement with the spindle to secure the latter in position on the bracket.

.5. Ina supply-carrier'for braiding mathe combination with a bracket through said hub and formed with a peripheral groove, bracketand having a slot adapted to engage said groove in the spindle to secure the latter against longitudinal displacement.

6. In a supply-carrier for braidingmachines, thecombination with a bracket and a rotatable cop-holder mounted thereon, of a spindle for the cop-holder, and means to secure said spindle in the bracketcomprising an adjustable lever pivoted to swing in at right-angles to the axis of'the spindle, said lever formed to straddle the latter to engage agroove in one end of the spindle. 5 v p 7.'In a supply-carrier for braiding machines, the combination-with a bracket, of a spindle mounted in said bracket, a copholder mounted to rotate on said spindle, tension controlled means to regulate the rotation of said cop-holder, aspring to com trol said. means, anda lever connected to and a lever-pivoted on the said spring and adjustable on the bracket to regulate the tension of the spring, said lever normally being in engagement with the spindle to secure the latter in the bracket, but movable against the action of the spring to release'the spindle.

8. In .a supply-carrier for braiding machines, the combination with a bracket, of a spindle extending through said bracket and formed with a .groove,.,a cop-holder rotatably mounted on said spindle, a .detent to control the rotation of the cop-holder, a lever operated by the tension on the yarn to release the detent, a spring connected to said lever, and a second lever adjustable on the bracketto regulate the tension of the spring and arranged to normally engage the groove in the spindle to secure the latter in position .in the bracket while allowing it to be removed.

9. In a supply carrier for braiding machines, the combination with a bracket, of a 'spindle extending through said bracket, and formed with a groove, a cop-holder rotatably mounted on said spindle,- means operated by the tension on the yarn to control the rotation of the cop-holder, a spring to regulate theaction of said means, and a lever connected with 'said' springand adjustablein position to. vary its tension, said lever adapted to engage the groove in the 1 spindle throughout its adjusting movement to hold the latter in the bracket but movable beyond the range of adjustmentto release said spindle.---

10. In 1 a supply-carrier for braiding machines, the combination with a bracket, of a spindle'mounted in said'bracket,a copholder rotatable on said spindle, means tocontrol the rotation of said cop-holder, a spring to regulate the action of said means, a lever adjustable on the bracket and con- IOQ nected to said spring, said lever adapted to engage the spindle to secure it in position,

. and means to hold'the lever in its adjusted ,ppsition against the action of the spring.

.11. In a supply-carrier for braiding machines, the combination with a bracket or standard, of a spindle. mounted in said bracket and formed with a groove, a lever pivoted on said bracket and having an arcu-: ate slot adapted to engage the groove during the turning of the lever on its pivot, a cop-- holder rotatably mounted on the spindle, means to control the rotation of the copholder, and a spring to regulate the action of said means said spring secured at one end to the lever and tending to normally hold the latter in engagement with the spindle.

12. In a supply-carrier' forbraiding machines, the combination with 1a bracket I formed with a quadrant having ratchet teeth, of a spindle mountedin said bracket and formed with a groove, a cop-holder the rotation of the cop-holder, a spring to regulate the action of said means, and a lever pivoted on said bracket and having one end adapted to engage the teeth of the quadrant, said. lever connected to the spring and arranged to engage the groove in the spindle during its movement on the quadrant.

13. In asupply-carrier for braiding machines, the combination with a bracket B formed with a quadrant having ratchet teeth, of a lever L pivoted on the bracket with one end adapted to engage said teeth, and a spindle mounted in said bracket and formed with a groove adapted to be engaged by the lever to securev the spindle in position While allowing the adjustment of the lever alongthe quadrant.

14. In a supply-carrier for braiding machines, the combination with a bracket B formed with a curved edge having ratchet teeth onone side thereof, a lever L of spring metal pivoted on the bracket with its end adapted to overlap the edge of the bracket to engage the teeth and formed with an arcuate slot, and a spindle mounted in the bracket and formed with a groove adapted to be engaged with the slot in the lever'L to secure the spindle in position While allowing the lever to beturned on its pivot.

In testimony whereof I atlix my signature in presence of two Witnesses.

SIMON'W. WARDWELL.

Witnesses:

ARTHUR A. ARMIN GTON, DANIEL MONIVEN. 

